... 5", 2", 3", 4" Use as tower packing Metal pall ring:Carbon Steel pall ring, CS pall ring, ... pall ring, SS316L pall ring, SS410 pall ring.Metal pall ring has the features of thin wall, heat ... , low resistance, high separation efficiency and so on. Metal pall ring is especially suitable for rectification towers, ... 304, 304L, 410,316, 316L.Technical data of metal pall ring: Diameter (mm)Dimension d×h×δ (mm ...